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在建立了单机架可逆冷轧机全干扰耦合模型的基础上,分析影响板形、板厚、张力的控制量和干扰量,提出分步解耦设计策略,相对于常规解耦设计方法可明显简化解耦过程,并给出各解耦环节的简化方案以利于实际工程应用。最后,基于某1 420 mm 6辊单机架UCM冷轧机的实际参数,采用Matlab/Simulink工具对简化后的分步解耦系统进行分析,仿真结果表明该方法可有效消除单机架可逆冷轧机轧制过程中板形、板厚和张力控制之间的耦合影响关系,为单机架可逆冷轧机控制系统设计提供了全解耦控制方案,同时为抗干扰设计提供了便利。
Based on the establishment of the full jamming coupling model of single-stand reversing cold rolling mill, the control variables and interferences influencing the plate shape, plate thickness and tension are analyzed and a step-by-step decoupling design strategy is proposed. Compared with the conventional decoupling design method, Simplify the decoupling process, and give a simplified scheme of each decoupling link to facilitate the practical engineering application. Finally, based on the actual parameters of a 1 420 mm 6-roll single-stand UCM cold rolling mill, the simplified step-by-step decoupling system was analyzed by using Matlab / Simulink tool. The simulation results show that this method can effectively eliminate single stand reversing cold rolling mill The influence of the coupling between plate shape, plate thickness and tension control during the rolling process provides a totally decoupled control scheme for the design of control system of single-stand reversing cold rolling mill, at the same time, it provides convenience for anti-interference design.